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Finding the Fourth Proportional to 214,924.20, 322,730.55 and 170,916.90

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Solution

The fourth proportional to 214,924.20, 322,730.55 and 170,916.90 is: 256,649.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,924.20 : 322,730.55 = 170,916.90 : x
  2. Step 2: Convert to fraction form
    214,924.20/322,730.55 = 170,916.90/x
  3. Step 3: Cross multiply
    214,924.20x = 322,730.55 × 170,916.90
  4. Step 4: Simplify right side
    214,924.20x = 55,160,105,141.30
  5. Step 5: Solve for x
    x = 55,160,105,141.30/214,924.20
  6. Step 6: Final answer
    x = 256,649.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.